2222000212021 has 2 divisors, whose sum is σ = 2222000212022. Its totient is φ = 2222000212020.

The previous prime is 2222000212007. The next prime is 2222000212051. The reversal of 2222000212021 is 1202120002222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1791277084996 + 430723127025 = 1338386^2 + 656295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222000212021 - 2⁴¹ = 22976956469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222000211986 and 2222000212004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222000212051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111000106010 + 1111000106011.

It is an arithmetic number, because the mean of its divisors is an integer number (1111000106011).

Almost surely, 2^{2222000212021} is an apocalyptic number.

It is an amenable number.

2222000212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222000212021 is an equidigital number, since it uses as much as digits as its factorization.

2222000212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222000212021 its reverse (1202120002222), we get a palindrome (3424120214243).

The spelling of 2222000212021 in words is "two trillion, two hundred twenty-two billion, two hundred twelve thousand, twenty-one".